BALNA-HUAIGH-ISLE, an island, one of the Hebrides, in the parish of Jura, district of Islay, county of Argyll. It is north of the island of Jura, and of Luing Sound. The isle is about a mile in circumference, and entirely composed of a bluish-coloured slate, of good quality. A number of families who derive their subsistence from the quarry, reside upon the isle.